Power driven air circulating fan



Dec. 8, 1953 E. J. FRlcK 2,661,895 'Y POWER DRIVEN AIR CIRCULATlNG FANFiled sept. 2s, 195o 20 'im ...u 2 Edward Frick ATTORNEY Patented YDec.8, 19.53

POWER DRIVEN AIR CIRCULATING FAN Edward J. Frick, Fairview Park, Ohio,assignor to Air Controls, Inc., Cleveland, Ohio, a corporation of OhioApplication September', 1950, Serial No. 186,389

This invention relates to Ventilating fans, land more particularly, topower-driven fans adaptedA to be readily inserted in a window frame, orcarried from room to room.

An object of this invention is to provide an electrically operatedVentilating fan adapted` to be placed in a window in a, verticalposition or placed in Various parts of a room in a horizontal position.

Another object is to provide a fan construction permitting adequateflowof air to the fan blades, when it is disposed in horizontal position ona floor or other surface, as well as, when it is disposed in a, verticalposition.

' Other objects are, to provide means for retaining the ian in positionat the bottom of a window sash, which means are also adapted to be usedas a handle in carrying the fan; to provide a neat and attractiveprotective grille around the sides of the fans, to provide a relativelylight weight fan adapted to be readily carried from room to room, toprovide an attractively designed fan for a wide range of uses; and toprovide a fan which is of simple durable construction and adapted to beproduced at a relatively low c ost.

These and further objects will appear in the course of the followingspecification.

In the drawings forming a part of this specification: Y

Fig. 1 is a front elevational view of one embodiment of my invention,showing the fan in vertical position;

Fig. 2 is a side View corresponding to Fig. 1;

Fig. 3 is a rear elevational view corresponding to Fig. 1. Y

Fig.4 is a top plan view; while Fig. 5 is a -central section of the fantaken on the line 5-5 of Fig. 2, showing the fan disposed in horizontalposition.

In the drawings the numeral II indicates a base, crimped along threesides forming a flange I2, while the front margin is provided with anintegral offset portion I3. A top member I4, corresponding inconstruction to the base II includes a similar flange I5, extendingalong three sides and a similar offset portion I6, while a front facemember I1, extending from the base II to the top I4, is provided withrearwardly extending flange I8 crimped over the offset portion I3 of thebase I I. The top margin of the face member I1 is provided with asimilar flange I9 crimped over the offset portion I6 of the top I4. Spotwelding or other suitable means may be used to unite offset portion I3to the flange I8 and offset portion I6 to the flange I9.

3 Claims. (Cl. 23o-259) The front face member I'I is provided along itssides with flanges 20 formed by a crimping op; eration. Centrally theface'member I'I is vpro'-y vided with a circular opening 2 I, having anoutwardly projecting ange 22 along its periphery, as illustrated inFigs. 2, 4 and 5. A circular front grille 23, of reti-culateconstruction, formed of a series of crimped wires disposed at rightangles to each other and woven together is of convex configuration whenmounted on the fan. A rim 24, having a rolled over bead portion 25retainingA the outer periphery of the grille 23 is provided with aflange 26 adaptedV to be received in the outer periphery of the flange22 of the face member Il and retained by a pressed fit. 1

A similarly formed reticulate Wire grille 2l', constituting the sidesand back of the fan, having its bottom and top margins positionedinwardly of the bottom and top flanges I2 and I5 respectively, andsuitably secured thereto, has its side margins positioned inwardly ofthe face flanges 20 and suitably secured thereto by means of cap screws28 clamping the grille between strips of metal 39 and the flanges 20.Obviously, different types of protective grille material may be -used toaccomplish the same purpose.

An electric motor 29, bolted to vertically ex tending brackets 3Dsuitably secured to the top I4 and base II, drives a fan 3| comprisingfour wide blades 32, formed of sheet metal, terminating centrally in ahub 33 mounted on a shaft' 34 driven by said motor. This direct driveconstruction has been found to be advantageous over belt or gear drivenconstruction. Preferably a permanently lubricated motor is used, and ifdesired, a two-speed control may be provided. f

Two spaced handles 31, provided with rubber pads 38 secured to bolts andcooperating parts, operating in transverse slots in the top member I4,are positioned and arranged in such manner that they may be spaced aparta distance'corresponding with the width of a window sash, thuspermitting a window sash to be lowered between them, and in this mannerthe fan may be supported in a window frame in a vertical position. Thehandles 31 may be moved in close proximity to each other to provide aconvenient handle by which the fan may be carried.

For supporting the fan in a vertical position short rubber tipped feet35 projecting downwardly from the base II are provided, while similarfeet 36 projecting outwardly from the back of the fan provide supportwhen the fan is disposed in a horizontal position, as illustrated inFig. 5. Attention is directed to the location and 3 arrangement of theback feet 36. The two feet at the top thereof are secured to the topflange I5, while the lower two feet are secured to the base flange l2.Thus it will be seen that the top and base flanges I5 and I2 serve toretain the edges of the grille 21 in position, and in addition theretofunction to support the fan while in a horizontal position'. It desireda vertically disposed reenforcingfstrip 4B extending from thetop flangeI5 to the bottom flange I2 and suitably secured thereto, may be providedto prevent warping or bulging of the grille 21.

As shown in Fig. 5, when the fan is ina horizontal position on a floorortable. thefdispositionV and arrangement of the griller!.permitsair'tof iiow into the fan through the sides and back thereof,thereby permitting an unobstructed ow of air into the fan, asindicatedbythe arrows. The position and arrangemeniof the feet 36 and the motorsupporting brackets 3B are such. that the entire. Weightof. themotor..29 iscarried. on. the brackets; 301, leaving noload tobe;..suppor.ted by thegrill'e. 2.1,.which. might bend or. injure it.

AIlhwillbe.apparent to. those skilled. in the.. art thatthe embodiment.vof my invention. disclosed hereinmay be. variously changed, used ormodied Without departingfrom the spirit of the'invention,.and that .thisembodimentof my invention is illustrative only,. and. that my inventionis not. limited.- thereto.

1. .A portable electric.. fan including, a casing formed. of .relativelythin material havingn top and bottom wall'sformed. of. relatively thinsheet material, airontwallf alsoformed on .thin sheet material'. securedto said. Vtop andl bottom. walls -and..pr.ovided with an opening. topermit air to pass, therethrough, avcontinuous retieulate grille formingthe sideA` andr rear. walls of said.. casing, arigid` elongated motorsupport. means .secured to the opposed.. forces of saidL top and bottom.walls, amotor. secured'tosaid support means and disposedbetweensaidfront and rear walls in` close proximity thereto, fan blades operativelyconnected to said motor., and feet projecting from .the margins of` saidtop and bottom walls for supporting saidY fanwin-al-horizontalposition'V on thel rear wall-with the fanaxis perpendicularly disposed,rsaid; motorv support means being positioned: andA arranged. in. suchYmanner" that it remains--unexed' when-.the aniis thus disposed, vwherebysaid nmotorv is securely and-rigidly;v sup*- .ported inwclose `proximityto..said frcntand.` rear Walls: and `said motor supportl means. braces:said top and bottorniwa-lls when theffa-n rests=on: the rear wallb .2.,A portable electric. fan including,y az casing 4formed: of. relativelythin. sheet materialhaving top; .bottom Walls', the. top and'V bottom.walls being provided-with marginal flanges ontheirsidessand rear edges,a*` front wall also formed ofV thinV sheet material Secured to said topand bottom walls, provided on its sides with rearwardly extendingflanges and provided centrally with an opening to permit air to passtherethrough, a contin-I uous reticulate grille forming the sides andrear' walls of said casing and having its upper margins retained withinsaid top wall side and real flanges and its lower margins# retainedwithin said bottomlwall side andrear iianges-la11d its side marginsretained within said front Wall rearwardly extending flanges, a rigidelongated motor support means secured to said top and bottom walls,a-motorlsecured to said support means and -disposedbetweensaid front andrear walls in eloseproximity thereto, fan blades operativelyconneote'dtorsaidimotor, and feet projecting from said top and bottommarginal flanges for supportin'g said'ian in'a horizontal position onthe rear wall, said. support means being positioned and arranged in suchmanner that it remains unflexed Wherrthei fanis Athus disposed. .wherebysaidmotoris .securely .and rigidly supportedlin close proximity to saidfront .and rear walls.

3. A portable electric fan including, a. casing formed of relativelythinsheet materialflhaving top,.bottom walls,.thetop andLbottomwall'abeing provided.witlimarginalflangeson their sidesand rearedges, afront walllalso formed of thin sheet material secured to said top andbottom walls; provided on..its.sides. .withrearwardly extending flangesand. providedicentrally with. an opening to permitair. topass.therethrough, a continuous reticulate grille formingY the side .andrear walls of said casing and having its upper marginsre'- tainedwithinsaid vtop wall,'.side and rear `flanges and its lower `margins.retained within said'v bottoniwallsideand rear flanges andits sidemargins retained. within,.said.front Wall rearwardly extending flanges,a. rigidv elongated. motor supportmeanssecuredto said top and bottomwalls, a. motor secured. to. .said support Vmeansbetween saidifrontandrear walls=on theY side thereof'toward theian b1ades,. fan. blades.operatively Vconnected to.. said. motor, and feet' projecting Vfrom saidtop.- and .bottom marginal anges for. supportingsaid ianin ahorizontal.position on the rear wall, saidmotor support means'heing` positioned..and arranged. in..such .manner that. it remains unflexed when the fan isthus disposed and braces. said. top and.` bottomV walls. Ywhereby saidmotor depends from. said .support .means when the fan is disposed on itsrearwalllandis rigidly supported in. thisl position.

Number Name Date D. 142,252- 'Campbell Aug. 2l, 1945 2,325,754 EbertAug. 3, 1943 2,453009 Gangeret al. Nov. 21948

